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arm/arm64: KVM: Don't panic on failure to properly reset system registers

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Failing to properly reset system registers is pretty bad. But not
quite as bad as bringing the whole machine down... So warn loudly,
but slightly more gracefully.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
This commit is contained in:
Marc Zyngier
2018-12-20 13:07:40 +00:00
parent 358b28f09f
commit 20589c8cc4
2 changed files with 7 additions and 5 deletions
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4
arch/arm/kvm/coproc.c
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@@ -1450,6 +1450,6 @@ void kvm_reset_coprocs(struct kvm_vcpu *vcpu)
reset_coproc_regs(vcpu, table, num);
for (num = 1; num < NR_CP15_REGS; num++)
if (vcpu_cp15(vcpu, num) == 0x42424242)
panic("Didn't reset vcpu_cp15(vcpu, %zi)", num);
WARN(vcpu_cp15(vcpu, num) == 0x42424242,
"Didn't reset vcpu_cp15(vcpu, %zi)", num);
}